One advantage of using subscripts for array processing is that they are more efficient than using pointers directly.

To test whether a character is one of ‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, or ‘9’, use the _______ standard library function.

a. isnumber b. isnotalpha c. isnumeric d. isdigit e. all of the above

You can define a background color, as shown in the accompanying figure, for all elements.

Answer the following statement true (T) or false (F)